Such laser battles in the sky may not be such a long way off, after a megawatt laser weapon was fired from an aircraft for the first time.

Although the Airborne Laser (ABL) was fired from a stationary plane at a target on the ground just a few metres away, the test marked a milestone for the weapon, developed by aerospace firms Boeing, Lockheed Martin and Northrop Grumman. Read More… [by NewScientist]